package top.zhongyy.config;

import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.support.http.StatViewServlet;
import com.alibaba.druid.support.http.WebStatFilter;
import org.springframework.boot.context.properties.ConfigurationProperties;
import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.boot.web.servlet.ServletRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;

import javax.servlet.Filter;
import javax.sql.DataSource;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;

/**
 * @Desc druid数据库配置
 * @Created by IntelliJ IDEA.
 * @Author: Andy
 * @Date: 2021/3/8
 */

@Configuration
@SuppressWarnings({"rawtypes", "Unchecked"})
public class DruidConfig {
    
    @ConfigurationProperties(prefix = "spring.datasource")
    @Bean
    public DataSource druid() {
        return new DruidDataSource();
    }
    
    // 配置 druid 监控
    // 1.配置一个管理后台的 servlet
    public ServletRegistrationBean StatViewServlet() {
        ServletRegistrationBean bean = new ServletRegistrationBean(new StatViewServlet(), "/druid/*");
        Map<String, String> initParams = new HashMap<>();
        
        initParams.put("loginUsername", "admin");
        initParams.put("loginPassword", "123456");
        initParams.put("allow", ""); // 默认就是允许所有访问
        initParams.put("deny", "127.0.0.1");
        
        bean.setInitParameters(initParams);
        return bean;
    }
    
    // 2.配置一个监控的 filter
    public FilterRegistrationBean WebStatFilter() {
        FilterRegistrationBean<Filter> bean = new FilterRegistrationBean<>();
        bean.setFilter(new WebStatFilter());
        
        Map<String, String> initParams = new HashMap<>();
        initParams.put("exclusions", "*.js,*.css,/druid");
        
        bean.setInitParameters(initParams);
        
        bean.setUrlPatterns(Arrays.asList("/*"));
        return bean;
    }
}
